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1820000182 = 271113909091
BaseRepresentation
bin110110001111010…
…1111111110110110
311200211122120220011
41230132233332312
512211410001212
6500332530434
763046513660
oct15436577666
94624576804
101820000182
11854385090
12429620a1a
132300a35b0
14133a01530
15a9ba94a7
hex6c7affb6

1820000182 has 32 divisors (see below), whose sum is σ = 3665458944. Its totient is φ = 654544800.

The previous prime is 1820000159. The next prime is 1820000213. The reversal of 1820000182 is 2810000281.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452544 + ... + 456547.

It is an arithmetic number, because the mean of its divisors is an integer number (114545592).

Almost surely, 21820000182 is an apocalyptic number.

1820000182 is an abundant number, since it is smaller than the sum of its proper divisors (1845458762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1820000182 is a wasteful number, since it uses less digits than its factorization.

1820000182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909124.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1820000182 is about 42661.4601484759. The cubic root of 1820000182 is about 1220.9291904444.

Multiplying 1820000182 by its sum of digits (22), we get a palindrome (40040004004).

Subtracting 1820000182 from its reverse (2810000281), we obtain a palindrome (990000099).

It can be divided in two parts, 1820000 and 182, that multiplied together give a square (331240000 = 182002).

The spelling of 1820000182 in words is "one billion, eight hundred twenty million, one hundred eighty-two", and thus it is an aban number.

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 182 286 1001 2002 909091 1818182 6363637 10000001 11818183 12727274 20000002 23636366 70000007 82727281 130000013 140000014 165454562 260000026 910000091 1820000182